What is the zero of (-8,-1) and (4,2)​

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Which expression gives you the distance between the points (5,1)and(9,-6)

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?